jucai/app/Models/Role.php

<?php

namespace App\Models;

/**
 * App\Models\Role
 *
 * @property int $id
 * @property string $name
 * @property string $slug
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property-read \Illuminate\Database\Eloquent\Collection|\Encore\Admin\Auth\Database\Administrator[] $administrators
 * @property-read \Illuminate\Database\Eloquent\Collection|\App\Models\ArticleCategory[] $categorys
 * @property-read \Illuminate\Database\Eloquent\Collection|\Encore\Admin\Auth\Database\Permission[] $permissions
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role query()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role whereName($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role whereSlug($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Role whereUpdatedAt($value)
 * @mixin \Eloquent
 */
class Role extends \Encore\Admin\Auth\Database\Role
{
    protected static function boot()
    {
        parent::boot();

        static::deleting(function ($model) {
            $model->administrators()->detach();

            $model->permissions()->detach();
            $model->categorys()->detach();
        });
    }
    public function categorys()
    {
        $pivotTable = ArticleCategoryRole::class;
        $relatedModel = ArticleCategory::class;
        return $this->belongsToMany($relatedModel, $pivotTable, 'role_id', 'article_category_id');
    }
}